#include <fstream>
using namespace std;

ifstream f("combinari.in");
ofstream g("combinari.out");
int n,k,v[18];

bool verificare(int place)
{
   if(( place == 1 )||(v[place]>v[place-1])) return 1;
   else return 0;

}
void afisare()
{
    int i=1;
    g<<"\n";
    for(i;i<=k;i++)g<<v[i]<<" ";
}

void backtr(int place)
{
int i = 1 ;
if ( place-1 == k ) afisare() ;
else for( i ; i<=n ; ++i )
        {
        v[place] = i;
            if (verificare(place)) backtr(place+1) ;
        }
}



int main()
{
    f>>n>>k;
    backtr(1);
    f.close();
    g.close();
    return 0;
}